Question
Functions of : Plasma membrane.
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Answer
- Plasma membrane acts as a selectively permeable membrane. It allows entry of those useful substances which are needed for the cell. It does not allow entry of the harmful and unwanted substances.
- Plasma membrane keeps the homeostasis in the cell. The cell is kept in steady state even if the external environment changes.
- Plasma membrane is responsible for processes of endocytosis and exocytosis.
- The processes of diffusion and osmosis are possible only due to plasma membrane.
- In animal cells, plasma membrane is the outermost protective covering of the cell.
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